Table 2.

Population-weighted^a mean estimated NDGI scores by quintiles of A) Background characteristics, and B) Dietary components

	Estimate	Total adult population	1st quintile (score < 56.3)	2nd quintile	3rd quintile	4th quintile	5th quintile (score > 74.4)	p-valueb
Healthy eating index score	Mean (SD)	65 (11)	50	60	65	71	80	-
A) Background characteristics
Men	%	50	62	55	50	47	38	< 0.001
Women	%	50	38	45	50	53	62	< 0.001
Age, years	Mean (SD)	48 (18)	42	46	49	51	51	< 0.001
Smoking	%	14	23	17	14	11	7	< 0.001
Education								< 0.001
Low	%	47	61	49	48	41	34
Medium	%	24	22	27	23	26	24
High	%	29	17	24	29	33	42
Household economy								< 0.001
Restricted	%	16	26	18	14	11	9
Fair	%	28	29	28	30	27	24
Good	%	57	45	54	56	62	67
B) Dietary components
Fruit, portions/day	Mean (SD)	1.1 (0.9)	0.5	0.7	1.0	1.3	2.0	< 0.001
Vegetables, portions/day	Mean (SD)	0.9 (0.7)	0.5	0.7	0.9	1.0	1.5	< 0.001
Wholegrain, times/day	Mean (SD)	1.4 (0.9)	0.7	1.1	1.4	1.7	2.1	< 0.001
Fish, portions/week	Mean (SD)	1.8 (1.2)	1.0	1.5	1.9	2.1	2.6	< 0.001
Red meat, portions/week	Mean (SD)	2.5 (1.6)	2.8	2.6	2.4	2.3	2.1	< 0.001
Salt								< 0.001
Seldom/never	%	41	22	34	40	49	58
Sometimes	%	36	33	38	40	37	31
Often/usually – a little	%	19	31	23	18	12	10
Often/usually – some	%	3.8	9.5	4.8	2.4	1.7	0.6
Often/usually – a lot	%	1.1	3.9	0.5	0.4	0.5	0.1
Fat for frying								< 0.001
Mostly saturated fats	%	21	37	27	21	15	6.6
Mix of fats	%	33	36	35	35	32	26
Mostly unsaturated fats	%	46	27	38	44	54	67
Fat for bread								< 0.001
Mostly saturated fats	%	5.8	10	5.8	6.0	3.9	2.6
Mix of fats	%	33	42	37	34	29	24
Mostly unsaturated fats	%	61	47	57	61	67	74
Cheese, times/day	Mean (SD)	0.8 (0.7)	0.7	0.7	0.8	0.9	0.9	< 0.001
Milk/yoghurt, dL/day	Mean (SD)	1.8 (2.2)	0.8	1.3	1.7	2.2	3.0	< 0.001
Water, times/day	Mean (SD)	2.8 (1.3)	2.0	2.6	2.9	3.0	3.4	< 0.001
Sugary drinks, times/day	Mean (SD)	0.3 (0.7)	0.5	0.3	0.2	0.1	0.1	< 0.001
Chocolate/candy, times/day	Mean (SD)	0.3 (0.4)	0.4	0.3	0.3	0.3	0.3	< 0.001
Sweet pastries, times/day	Mean (SD)	0.2 (0.2)	0.2	0.2	0.2	0.2	0.2	0.78
Salty snacks, times/day	Mean (SD)	0.2 (0.2)	0.2	0.2	0.2	0.2	0.1	< 0.001

NDGI Norwegian Dietary Guideline Index, SD standard deviation

^aThe estimates were calculated by using population weights weighing for county, age (5 categories) and sex in the Norwegian Public Health Survey

^bp-values were calculated by using logistic regression for dichotomous variables, linear regression for continuous variables, and chi-square test for categorical variables